---
title: "CVE-2022-48503\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2022-48503?format=md
keywords: index, follow
---

# CVE-2022-48503

Publication date 14 August 2023

Last updated 21 October 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2022-48503?format=md#impact-score)

Toggle side navigation

## Description

The issue was addressed with improved bounds checks. This issue is fixed in
tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5,
Safari 15.6. Processing web content may lead to arbitrary code execution.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2022-48503?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| wpewebkit | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Ignored |
| 20.04 LTS focal | Ignored |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| qtwebkit-opensource-src | 24.04 LTS noble | Ignored |
| 23.10 mantic | Ignored |
| 23.04 lunar | Ignored end of life, was needs-triage |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Ignored |
| 20.04 LTS focal | Ignored |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| qtwebkit-source | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| webkit2gtk | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Fixed 2.38.2-0ubuntu0.22.04.2 |
| 20.04 LTS focal | Fixed 2.38.2-0ubuntu0.20.04.1 |
| 18.04 LTS bionic | Ignored end of standard support, was deferred |
| 16.04 LTS xenial | Ignored end of standard support, was deferred |
| 14.04 LTS trusty | Not in release |
| webkitgtk | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [jdstrand](https://launchpad.net/~jdstrand)

webkit receives limited support. For details, see
https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit
webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48503)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-48503)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-48503)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-48503)

### Other references

* <https://webkitgtk.org/security/WSA-2023-0005.html>
* <https://www.cve.org/CVERecord?id=CVE-2022-48503>
* <https://www.cisa.gov/known-exploited-vulnerabilities-catalog>